THURSDAY, March 15, 2018 -- Your need for calcium gets a lot of attention, but your body can't use it without its partner, vitamin D, according to the American Academy of Orthopaedic Surgeons.

Most adults need 1,000 milligrams of calcium each day. Recommendations for vitamin D range from the current recommended daily allowance of 600 International Units (IUs), all the way up to 4,000 IUs to best support bone health.

THURSDAY, April 19, 2018 -- Women are more likely than men to suffer a knee injury called an anterior cruciate ligament (ACL) tear. But -- surprisingly -- the injury occurs the same way in both genders, a new study reveals.

Prior research suggested women are two to four times more likely to suffer ACL tears due to differences in how this type of injury occurs in the sexes, researchers at Duke University, in Durham, N.C., noted.

THURSDAY, March 8, 2018 -- Knee replacement patients can continue to enjoy sports -- such as skiing, tennis and dancing -- without worrying that high-impact activities might compromise their new joint, a small, new study finds.

The researchers tracked patients for between five and 15 years after knee replacement surgery, known as total knee arthroplasty. They found that sports participation had no significant impact on the longevity of artificial knees.